throw a monkey wrench in the works

Throwing a monkey-wrench into the works: Including radicals in the teaching of technical/environmental writing
Throwing a monkey-wrench into the works: Including radicals in the teaching of technical/environmental writing
There is still a monkey wrench in the works
Coming Draft: Christopher Hedges Reconsidered
Mismatch Repair Co-opted by Hypermutation
Finite Quantum Chaos
The Lyre's Island: Some Australian Music, Sound Art and Design
A Monkey Wrench, Made in Russia
Wrong parts throw a monkey wrench into machine operation
"Anti-scab' bills restrict employer options